From the backcountry to the boardroom, our vacuum insulated TKWide water bottles keep drinks piping hot or icy cold. With our TK Closure™ internal thread design paired with TKWide caps and award-winning Climate Lock® double-wall vacuum insulation, the TKWide is on the leading-edge of thermal performance. The TKWide has a smooth, rounded lip and interchangeable caps, delivering a more comfortable and versatile drinking experience. With food grade 18/8 stainless steel construction and chip-resistant Klean Coat® finish, the TKWide is built tough to handle extreme conditions and everyday life.